59 	if (!tty->link)  in pty_close()
61 	set_bit(TTY_OTHER_CLOSED, &tty->link->flags);  in pty_close()
62 	wake_up_interruptible(&tty->link->read_wait);  in pty_close()
63 	wake_up_interruptible(&tty->link->write_wait);  in pty_close()
69 			if (tty->link->driver_data)  in pty_close()
70 				devpts_pty_kill(tty->link->driver_data);  in pty_close()
74 		tty_vhangup(tty->link);  in pty_close()
90 	tty_wakeup(tty->link);  in pty_unthrottle()
108 	struct tty_struct *to = tty->link;  in pty_write()
135 	return tty_buffer_space_avail(tty->link->port);  in pty_write_room()
181 			tty->link->ctrl_status = 0;  in pty_set_pktmode()
207 	if (tty->link) {  in pty_signal()
208 		pgrp = tty_get_pgrp(tty->link);  in pty_signal()
218 	struct tty_struct *to = tty->link;  in pty_flush_buffer()
239 	if (!tty || !tty->link)  in pty_open()
244 	if (test_bit(TTY_PTY_LOCK, &tty->link->flags))  in pty_open()
246 	if (tty->driver->subtype == PTY_TYPE_SLAVE && tty->link->count != 1)  in pty_open()
250 	clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);  in pty_open()
263 	if (tty->link && tty->link->packet) {  in pty_set_termios()
284 			wake_up_interruptible(&tty->link->read_wait);  in pty_set_termios()
304 	struct tty_struct *pty = tty->link;  in pty_resize()
344 	if (tty->link && tty->link->packet) {  in pty_start()
349 		wake_up_interruptible_poll(&tty->link->read_wait, POLLIN);  in pty_start()
357 	if (tty->link && tty->link->packet) {  in pty_stop()
362 		wake_up_interruptible_poll(&tty->link->read_wait, POLLIN);  in pty_stop()
429 	tty->link   = o_tty;  in pty_common_install()
430 	o_tty->link = tty;  in pty_common_install()
474 	struct tty_struct *pair = tty->link;  in pty_remove()
687 		ptmx_inode = tty->link->driver_data;  in pty_unix98_shutdown()
797 			tty->link);  in ptmx_open()
802 	tty->link->driver_data = slave_inode;  in ptmx_open()